Experimental observation of high-order topological corner states in 2D photonic Kagome lattice

D. Zhirihin, M. Li, D. Filonov, X. Ni, A. Slobozhanyuk, A. Alu, A. B. Khanikaev

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper we experimentally realize high-order photonic topological insulator as a two-dimensional triangular distorted Kagome lattice that supports two types of topological states: 1D topological edge states and 0D high-order topological states localized at the corners. Using near-field scanning technique we demonstrate both topological edge states and topological corner state in microwave frequency spectrum. The experimental results are in perfect agreement with numerical simulations of finite structure.

Original languageEnglish
Title of host publication2019 13th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
PagesX492-X494
ISBN (Electronic)9781728104775
DOIs
StatePublished - Sep 2019
Externally publishedYes
Event13th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2019 - Rome, Italy
Duration: 16 Sep 201921 Sep 2019

Publication series

Name2019 13th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2019

Conference

Conference13th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2019
Country/TerritoryItaly
CityRome
Period16/09/1921/09/19

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